Cheapest return flights from Denver to Dublin in May from $448

AirHint found the following cheapest return flights from Denver (DEN) to Dublin (DUB) in May 2026 (see full year).

Return flights

04 May - 11 May British Airways
04 May - 12 May British Airways
06 May - 13 May Air Canada
06 May - 13 May Aer Lingus direct
03 May - 13 May Aer Lingus direct
03 May - 20 May British Airways
04 May - 18 May British Airways
02 May - 20 May Icelandair
03 May - 20 May Aer Lingus direct
06 May - 22 May Icelandair
15 May - 05 Jun Air Canada
29 May - 08 Jun Air Canada
18 May - 14 Jun Air Canada
24 May - 07 Jun Air Canada
25 May - 01 Jun Aer Lingus direct
24 May - 07 Jun Aer Lingus direct
29 May - 08 Jun Aer Lingus direct
15 May - 15 Jun United
14 May - 14 Jun British Airways

Also check the deals for one-way flights from Denver to Dublin in May.

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